函数依赖,functional dependency
1)functional dependency函数依赖
1.Research on Functional Dependency for XML Based on Tree Tuples;基于树元组的XML函数依赖研究
2.The Research of the equivalence of XML functional dependency;XML函数依赖等价的研究
3.Study on Variation Point in Software Reuse Based on Functional Dependency;基于函数依赖关系的软件复用中变化点问题的研究
英文短句/例句

1.Research on Weak Functional Dependence for XML and Mondependent Set;XML弱函数依赖与单依赖集合的研究
2.Research on weak functional dependencies and its mono-dependent set for XMLXML弱函数依赖及单依赖集合研究
3.Proof of Properties of Function Dependencies and Multi-Valued Dependencies with Operator函数依赖和多值依赖性质的算子化证明
4.Comparison of Functional Dependency of XML and Relational DatabaseXML与关系数据库的函数依赖比较
5.A Method for Mining Database Weak Functional Dependency Inference Rules数据库弱函数依赖推理规则挖掘方法
6.Research of Propagating and Keeping XML Functional Dependency;XML函数依赖的传播与保持的研究
7.The Research of XML Functional Dependency Based on XML Schema;基于XML Schema的XML函数依赖研究
8.A TDBMS Extension Based on Temporal Functinal Dependency Module;基于时态函数依赖处理模块的TimeDB扩展
9.XML Redundancy Detection Algorithm Based on Function Dependency基于函数依赖的XML冗余检测算法
10.A correct algorithm for the minimal set of functional dependencies and its proof极小函数依赖集的正确算法及其证明
11.Research on Mix-Set of Functional Dependency Multi-valued Dependency of Strong-Totally Ordered Temporal Scheme强全序时态模式下函数依赖多值依赖混合集问题研究
12.Least Function Dependence is the basis of decomposing Database pattern.最小函数依赖是数据库模式分解的基础。
13.Note: These functions depend on the locale settings of the server!注意:这些函数依赖于服务器的地区设置。
14.Study on the Covering Problem for Functional Dependency with Totally Ordered Temporal Scheme全序时态模式下函数依赖集覆盖问题的研究
15.Study on covering problem of temporal functional dependencies intotally-ordered temporal scheme全序时态模式中时态函数依赖的覆盖问题研究
16.Computing cover quotient cube considering functional dependency in base tables函数依赖对商覆盖立方体生成效率的影响
17.Research on membership of functional dependency sets in totally-ordered temporal scheme全序时态模式下函数依赖集的成员籍问题研究
18.Application of function dependence hypergraph to design of normal form in relation schema基于函数依赖与或图的关系模式规范化方法
相关短句/例句

function dependency函数依赖
1.This paper extends the concept of function dependency and proves that it has relation to some important concepts in KDD.文中给出了一个函数依赖概念的推广,证明了它与知识发现领域中的许多重要概念都有密切的联系,并应用它得到了知识发现领域属性约简的一个有效完备的多项式算法。
2.Within the category of function dependency, the theory and application of normalization of relation model were studied.在函数依赖的范畴内对关系模型的规范化理论及其运用问题进行了研究 ,证明了关于Boyce- Codd( BC)范式两个定义的等价性 ,提出了关于 BC范式的一个实用的判定定理并加以证明 。
3.Within the category of function dependency,the theory and application of normalization of relation model are studied.在函数依赖的范畴内对关系模型的规范化理论及其运用问题进行了探讨 。
3)function dependence函数依赖
1.Analysis of the resolution method of relationship mode base on the function dependence;基于函数依赖的关系模式分解方法分析
2.A comprehensive description is made in the article of some important concepts concerning theory of normalization of relational data bank, such as function dependence, normal form etc.本文介绍了关系型数据库规范化理论的函数依赖、范式等重要要概念 ,并通过实例分析了操作异常产生的原因 ,提出了解决数据库模式操作异常的具体方
4)XML functional dependencyXML函数依赖
1.Research of Propagating and Keeping XML Functional Dependency;XML函数依赖的传播与保持的研究
2.When XML document comes forth incomplete information,XML functional dependency has also important meaning for the research of key,normal form and integral restriction for XML document.当XML文档出现不完全信息时,XML函数依赖同样对于XML文档的键、规范化和完整性约束的研究具有重要意义。
5)functional dependency set函数依赖集
1.It is a fundamental work to find out a F_(min) of a given functional dependency set while normalizing a relational pattern.构造了一个求解最小函数依赖集Fmin的计算机算法。
6)function dependence diagram函数依赖图
1.This paper brings forward a method of graphical standardization of relation schema based on function dependence diagram.本文提出了一种以函数依赖图为基础的图示化关系模式规范化方法。
延伸阅读

函数依赖闭包在关系模式r<u,f>中为f所逻辑蕴含的函数依赖的全体叫作 f的闭包,记为f+。定义5.13 设f为属性集u上的一组函数依赖,x u, xf+ ={ a|x→a能由f 根据armstrong公理导出},xf+称为属性集x关于函数依赖集f 的闭包在关系模式r<u,f>中为f所逻辑蕴含的函数依赖的全体叫作 f的闭包,记为f+。